问如何创建facebook喜欢自己的原生SSO应用程序？

EN

public class CustomResourceOwnerPasswordValidator : IResourceOwnerPasswordValidator
{
    public Task ValidateAsync(ResourceOwnerPasswordValidationContext context)
    {
        //Validate user's username and password. Insert your logic here.
        if(context.UserName == "admin" && context.Password == "admin@123")  
        context.Result = new GrantValidationResult("123", OidcConstants.AuthenticationMethods.Password);

        return Task.FromResult(0);
    }
}

            var builder = services.AddIdentityServer()
            .AddInMemoryIdentityResources(Config.Ids)
            .AddInMemoryApiResources(Config.Apis)
            .AddInMemoryClients(Config.Clients)
            .AddResourceOwnerValidator<CustomResourceOwnerPasswordValidator>();

            new Client
            {
                ClientId = "resourceownerclient",

                AllowedGrantTypes = GrantTypes.ResourceOwnerPasswordAndClientCredentials,
                AccessTokenType = AccessTokenType.Jwt,
                AccessTokenLifetime = 3600,
                IdentityTokenLifetime = 3600,
                UpdateAccessTokenClaimsOnRefresh = true,
                SlidingRefreshTokenLifetime = 30,
                AllowOfflineAccess = true,
                RefreshTokenExpiration = TokenExpiration.Absolute,
                RefreshTokenUsage = TokenUsage.OneTimeOnly,
                AlwaysSendClientClaims = true,
                Enabled = true,
                ClientSecrets=  new List<Secret> { new Secret("dataEventRecordsSecret".Sha256()) },
                AllowedScopes = {
                    IdentityServerConstants.StandardScopes.OpenId, 
                    IdentityServerConstants.StandardScopes.Profile,
                    IdentityServerConstants.StandardScopes.Email,
                    IdentityServerConstants.StandardScopes.OfflineAccess,
                    "dataEventRecords"
                }
            }